@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800&display=swap');

:root {
    --ana-mavi: #004a7c;
    --ana-mavi-koyu: #00365a;
    --vurgu-turkuaz: #00838f;
    --vurgu-turuncu: #F37021;
    --koyu-gri: #222;
    --orta-gri: #333;
    --acik-gri: #f8f9fa;
    --beyaz: #ffffff;
    --kenarlik-gri: #e0e0e0;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; }
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--orta-gri);
    background-color: var(--beyaz);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Sağa taşmayı engeller */
}
a { color: var(--ana-mavi); text-decoration: none; transition: color 0.3s ease; }
a:hover { text-decoration: none; color: var(--vurgu-turuncu); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { 
    font-weight: 700; 
    line-height: 1.3; 
    margin-bottom: 1rem; 
    color: var(--ana-mavi-koyu);
    letter-spacing: -0.5px; 
}
h1 { font-size: 2.5rem; } h2 { font-size: 2rem; } h3 { font-size: 1.5rem; }
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 1rem; padding-right: 1rem; }
.section-padding { padding-top: 4rem; padding-bottom: 4rem; }
.text-center { text-align: center; }

/* === BUTONLAR === */
.btn {
    display: inline-block;
    padding: 0.85rem 1.75rem;
    background-color: var(--orta-gri);
    color: var(--beyaz);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border: 2px solid transparent;
}
.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}
.btn-primary { background-color: var(--ana-mavi); border-color: var(--ana-mavi); }
.btn-primary:hover { background-color: var(--ana-mavi-koyu); border-color: var(--ana-mavi-koyu); color: var(--beyaz); }

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--beyaz);
    color: var(--ana-mavi);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    border: 2px solid var(--ana-mavi);
}
.btn-secondary:hover {
    background-color: var(--ana-mavi);
    color: var(--beyaz);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

.btn-slider {
    background-color: var(--vurgu-turuncu);
    border-color: var(--vurgu-turuncu);
    color: var(--beyaz);
    font-size: 1rem;
    padding: 0.8rem 2rem;
    margin-top: 1.5rem; 
}
.btn-slider:hover {
    background-color: #d95a0a; 
    border-color: #d95a0a;
    color: var(--beyaz);
}

/* === HEADER (Hareketli Gradyan) === */
@keyframes animateGradient {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.site-header { 
    padding: 0.25rem 0; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
}
.gradient-header {
    background: linear-gradient(-45deg, var(--ana-mavi), var(--vurgu-turkuaz), var(--vurgu-turuncu), var(--vurgu-turkuaz), var(--ana-mavi));
    background-size: 400% 400%;
    animation: animateGradient 18s ease infinite;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.site-logo { 
    max-height: 80px; 
    width: auto; 
    display: block;
    transition: max-height 0.3s ease;
}
.main-navigation a {
    text-decoration: none; font-weight: 600; padding: 0.5rem 0;
    border-bottom: none; transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.8); position: relative;
}
.main-navigation a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 3px;
    background-color: var(--vurgu-turuncu); 
    transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.main-navigation a:hover, .main-navigation li.active a { color: var(--beyaz); text-decoration: none; }
.main-navigation a:hover::after, .main-navigation li.active a::after { width: 100%; }
.main-navigation ul { list-style: none; display: flex; }
.main-navigation li { 
    margin-left: 1.5rem;
    position: relative; 
}
.menu-toggle { display: none; background: none; border: none; font-size: 1.8rem; cursor: pointer; color: var(--beyaz); }

/* === MOBİL MENÜ OVERLAY (YENİ EKLENDİ) === */
.menu-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 998;
    opacity: 0; visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}
.menu-overlay.active { opacity: 1; visibility: visible; }

/* === Dropdown Menü Stilleri === */
.has-dropdown .dropdown-menu {
    position: absolute;
    top: 100%; 
    left: -15px; 
    background-color: var(--beyaz);
    border-radius: 0 0 8px 8px; 
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    min-width: 200px;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu li {
    margin: 0;
}
.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--ana-mavi-koyu); 
    font-weight: 500;
    white-space: nowrap;
    transition: background-color 0.3s ease, color 0.3s ease; 
}
.dropdown-menu a::after {
    display: none; 
}
.dropdown-menu a:hover,
.dropdown-menu li:hover > a {
    background-color: var(--acik-gri);
    color: var(--vurgu-turuncu) !important; 
}

.main-navigation li.active .dropdown-menu a {
    color: var(--ana-mavi-koyu) !important;
}
.main-navigation li.active .dropdown-menu a:hover {
    color: var(--vurgu-turuncu) !important;
}


/* === FOOTER (ALT BİLGİ) === */
.site-footer { background-color: var(--koyu-gri); color: #ccc; padding-top: 3rem; }
.site-footer a { color: var(--beyaz); }
.site-footer a:hover { color: var(--vurgu-turuncu); text-decoration: underline; }
.footer-widgets { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
.widget h3 { color: var(--beyaz); margin-bottom: 1rem; border-bottom: 1px solid #555; padding-bottom: 0.5rem; }
.widget ul { list-style: none; }
.widget li { margin-bottom: 0.5rem; }
.social-links a { margin-right: 0.75rem; font-size: 1.2rem; text-decoration: none; }
.footer-bottom { border-top: 1px solid #444; padding: 1.5rem 0; text-align: center; font-size: 0.9rem; color: #aaa; }

/* === BÖLÜM 1: HERO SLIDER STİLLERİ === */
.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
    background-color: var(--koyu-gri);
}

@keyframes kenBurnsEffect {
    0% { transform: scale(1.1) translate(-2%, -2%); opacity: 0.8; }
    100% { transform: scale(1) translate(0, 0); opacity: 1; }
}
@keyframes slideContentEntrance {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    opacity: 0; transition: opacity 1.5s ease-in-out;
    background-size: cover; background-position: center center;
    display: flex; align-items: center; justify-content: center;
    transform: scale(1.1); 
}
.slide.active { opacity: 1; z-index: 2; animation: kenBurnsEffect 10s ease-out forwards; }
.slide::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.0) 70%);
}
.slide-content {
    position: absolute; top: 50%; left: 10%; transform: translateY(-50%); 
    z-index: 10; color: var(--beyaz); text-align: left; 
    width: 90%; max-width: 600px; padding: 0; 
    opacity: 0; animation: slideContentEntrance 1s ease-out 0.5s forwards; 
}
.slide-content h2 {
    font-size: 2.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 0.5rem; text-shadow: 2px 2px 6px rgba(0,0,0,0.8); color: var(--beyaz);
}
.slide-content p { font-size: 1.3rem; font-weight: 300; text-shadow: 1px 1px 4px rgba(0,0,0,0.7); margin-bottom: 1.5rem; }


/* === İSTATİSTİK ALANI (Animasyonlu) === */
.stats-section { 
    background-color: var(--acik-gri); padding: 3rem 0; 
    border-bottom: 1px solid var(--kenarlik-gri); overflow: hidden; 
}
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; text-align: center; }

.stat-item {
    background: var(--beyaz); padding: 2rem; border-radius: 8px; 
    box-shadow: 0 4px 10px rgba(0,74,124,0.05); border-top: 4px solid var(--ana-mavi); 
    transition: transform 0.3s ease, box-shadow 0.3s ease; opacity: 0; transform: translateY(40px);
}
.fade-in-section.is-visible .stat-item { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.fade-in-section.is-visible .stat-item:nth-child(1) { transition-delay: 0.1s; }
.fade-in-section.is-visible .stat-item:nth-child(2) { transition-delay: 0.2s; }
.fade-in-section.is-visible .stat-item:nth-child(3) { transition-delay: 0.3s; }

.stat-item:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(0,74,124,0.1); }
.stat-number { font-size: 3rem; font-weight: 800; color: var(--vurgu-turuncu); line-height: 1.1; }
.stat-title { font-size: 1.1rem; font-weight: 600; color: var(--orta-gri); margin-top: 0.5rem; }


/* === HİZMETLER GRİD STİLLERİ (Modern Hover Efektli) === */
.section-header { margin-bottom: 3rem; }
.main-title { color: var(--ana-mavi); font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.5rem; }
.sub-title { font-size: 1.2rem; color: #666; }
.separator { width: 80px; height: 3px; background-color: var(--vurgu-turuncu); border: none; margin: 1rem auto; }
.services-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 2rem; }
.service-box {
    flex: 1 1 300px; max-width: 350px; background: var(--beyaz);
    border-radius: 0; overflow: hidden; box-shadow: none; 
    border: 1px solid var(--kenarlik-gri); border-top: 5px solid var(--kenarlik-gri); 
    transition: transform 0.3s ease, border-top-color 0.3s ease, box-shadow 0.3s ease;
    display: flex; flex-direction: column; opacity: 0; transform: translateY(30px);
}
.service-box:hover { 
    transform: translateY(-5px) scale(1.02); border-top-color: var(--vurgu-turuncu); 
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}
.service-img img { width: 100%; height: 200px; object-fit: cover; }
.service-text { padding: 1.5rem; text-align: center; flex-grow: 1; display: flex; flex-direction: column; }
.service-text h3 { color: var(--ana-mavi); margin-bottom: 0.5rem; font-weight: 800; }
.service-text h4 { font-size: 1rem; color: #444; margin-bottom: 1rem; font-weight: 600; }
.service-text p { font-size: 0.9rem; color: #666; margin-top: auto; }

/* === BİLGİ ALANI STİLLERİ (Modern Hover Efektli) === */
.info-section { background-color: var(--acik-gri); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: stretch; }
.info-block {
    background: var(--beyaz); border-radius: 0; overflow: hidden;
    box-shadow: none; border: 1px solid var(--kenarlik-gri);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex; flex-direction: column; opacity: 0; transform: translateY(30px);
}
.info-block:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); }
.info-block img { width: 100%; height: 220px; object-fit: cover; border-radius: 0; margin-bottom: 0; box-shadow: none; }
.info-block-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.info-block h2 { 
    color: var(--koyu-gri); border-left: 5px solid var(--ana-mavi); 
    padding-left: 1rem; margin-bottom: 1.5rem; transition: border-left-color 0.3s ease; 
}
.info-block:hover h2 { border-left-color: var(--vurgu-turuncu); }
.info-block p { margin-bottom: 1rem; }

/* === İÇ SAYFALAR (STANDART) === */
.page-standart h1 { border-bottom: 2px solid var(--kenarlik-gri); padding-bottom: 0.5rem; margin-bottom: 1.5rem; }
.content-area h2 { margin-top: 2rem; }
.content-area p { margin-bottom: 1rem; }
.about-content h2 {
    font-size: 1.8rem; color: var(--ana-mavi);
    border-bottom: 2px solid var(--kenarlik-gri); padding-bottom: 0.5rem;
    margin-top: 2rem; margin-bottom: 1.5rem;
}
.about-content p { margin-bottom: 1rem; font-size: 1.05rem; line-height: 1.7; }

/* === SCROLL ANİMASYONLARI (Tek Seferlik) === */
.fade-in-section { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in-section.is-visible { opacity: 1; transform: translateY(0); }


/* === Gecikmeli (Stagger) Animasyon Stilleri === */
.fade-in-section.stagger-children.is-visible .service-box,
.fade-in-section.stagger-children.is-visible .info-block,
.fade-in-section.stagger-children.is-visible .cert-item,
.fade-in-section.stagger-children.is-visible .why-card,
.fade-in-section.stagger-children.is-visible .portal-logo-link,
.fade-in-section.stagger-children.is-visible .catalog-item,
.fade-in-section.stagger-children.is-visible .project-card,
.fade-in-section.stagger-children.is-visible .gallery-item,
.fade-in-section.stagger-children.is-visible .contact-card {
    opacity: 1; transform: translateY(0); transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Stagger Gecikmeleri (Tüm kart/item türleri için) */
.fade-in-section.is-visible *:nth-child(1) { transition-delay: 0.05s; }
.fade-in-section.is-visible *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-section.is-visible *:nth-child(3) { transition-delay: 0.15s; }
.fade-in-section.is-visible *:nth-child(4) { transition-delay: 0.2s; }
.fade-in-section.is-visible *:nth-child(5) { transition-delay: 0.25s; }
.fade-in-section.is-visible *:nth-child(6) { transition-delay: 0.3s; }
.fade-in-section.is-visible *:nth-child(n+7) { transition-delay: 0.35s; }


/* === HAKKIMIZDA & HİZMETLERİMİZ (Modern Resim + Yazı Gridi) === */
.about-feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: center; margin-bottom: 2rem; }
.about-feature-grid.reverse { grid-template-columns: 1fr 1fr; }
.about-feature-grid.reverse .about-feature-image { order: 2; }
.about-feature-grid.reverse .about-feature-text { order: 1; }
.about-feature-image img {
    width: 100%; height: 350px; object-fit: cover; border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1); transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.about-feature-grid:hover .about-feature-image img { transform: scale(1.03); box-shadow: 0 15px 25px rgba(0,0,0,0.15); }
.about-feature-text h2 { font-size: 1.8rem; color: var(--vurgu-turuncu); border-bottom: none; margin-top: 0; }
.about-text-fullwidth { margin-top: 1rem; }

/* Hizmetlerimiz Sayfası Özellik Listesi */
.service-feature-list { list-style: none; padding-left: 0; margin-top: 1.5rem; }
.service-feature-list li {
    font-size: 1.05rem; font-weight: 500; color: var(--orta-gri);
    position: relative; padding-left: 2rem; margin-bottom: 1rem;
}
.service-feature-list li::before {
    content: '\2714'; position: absolute; left: 0; top: 2px;
    color: var(--vurgu-turuncu); font-weight: 700; font-size: 1.1rem;
}


/* Modern "Neden" Kartları */
.why-choose-section h2 {
    font-size: 1.8rem; color: var(--ana-mavi);
    border-bottom: 2px solid var(--kenarlik-gri); padding-bottom: 0.5rem;
    margin-top: 2rem; margin-bottom: 1.5rem;
}
.why-choose-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.why-card {
    background: var(--beyaz); border: 1px solid var(--kenarlik-gri);
    border-top: 5px solid var(--ana-mavi); padding: 2rem; text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-top-color 0.3s ease;
    opacity: 0; transform: translateY(30px);
}
.why-card:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); border-top-color: var(--vurgu-turuncu); }

/* Modern İkon Stilleri */
.why-card .icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 60px; height: 60px; font-size: 1.8rem; color: var(--vurgu-turuncu);
    background-color: #f0f5f9; border-radius: 50%; margin: 0 auto 1.25rem auto; 
    transition: all 0.3s ease; border: 2px solid #e0eaf1;
}
.why-card:hover .icon { background-color: var(--vurgu-turuncu); color: var(--beyaz); transform: scale(1.1); border-color: var(--vurgu-turuncu); }
.why-card h3 { font-size: 1.25rem; color: var(--ana-mavi-koyu); margin-bottom: 0.5rem; }
.why-card p { font-size: 0.95rem; line-height: 1.6; }

/* === SERTİFİKA BÖLÜMÜ STİLLERİ === */
.certificate-section { margin-top: 4rem; padding-top: 4rem; border-top: 1px solid var(--kenarlik-gri); }
.certificate-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.cert-item {
    text-decoration: none; border: 1px solid var(--kenarlik-gri);
    border-radius: 8px; overflow: hidden; background: var(--beyaz);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0; transform: translateY(30px); cursor: pointer;
}
.cert-item:hover { transform: translateY(-5px) scale(1.03); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.cert-item .cert-image {
    width: 100%; aspect-ratio: 3 / 4; overflow: hidden;
    background-color: #f9f9f9; border-bottom: 1px solid var(--kenarlik-gri);
}
.cert-item .cert-image img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.4s ease; }
.cert-item:hover .cert-image img { transform: scale(1.05); }
.cert-item h4 {
    color: var(--ana-mavi-koyu); font-size: 1rem; font-weight: 600; text-align: center;
    padding: 1rem 1.25rem; margin: 0; background-color: #fdfdfd; 
    min-height: 60px; display: flex; align-items: center; justify-content: center; line-height: 1.3;
}

/* === İNSAN KAYNAKLARI (KARİYER PORTALLARI) === */
.job-portals-section { margin-top: 4rem; padding-top: 4rem; border-top: 1px solid var(--kenarlik-gri); }
.job-portals-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.portal-logo-link {
    display: flex; align-items: center; justify-content: center; padding: 1.5rem;
    border-radius: 8px; text-decoration: none; font-size: 1.25rem; font-weight: 700;
    color: var(--beyaz); background-color: var(--orta-gri); transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); opacity: 0; transform: translateY(30px);
}
.portal-logo-link:hover {
    transform: translateY(-5px) scale(1.03); box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    color: var(--beyaz); opacity: 1 !important;
}
/* Marka Renkleri */
.portal-logo-link.linkedin   { background-color: #0077B5; }
.portal-logo-link.kariyernet { background-color: var(--vurgu-turuncu); }
.portal-logo-link.indeed     { background-color: #003A9D; }
.portal-logo-link.elemanet   { background-color: #D9232D; }


/* === MAKİNA PARKURU (Modern Kart Grid) === */
.machine-park-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.machine-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.25rem 1.5rem; background: var(--beyaz); border: 1px solid var(--kenarlik-gri);
    border-left: 5px solid var(--ana-mavi); border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: all 0.3s ease;
}
.machine-item:hover {
    transform: translateY(-5px) scale(1.02); box-shadow: 0 8px 15px rgba(0,0,0,0.1); border-left-color: var(--vurgu-turuncu);
}
.machine-name { font-weight: 600; color: var(--ana-mavi-koyu); font-size: 1rem; padding-right: 1rem; }
.machine-count { font-weight: 700; font-size: 1.5rem; color: var(--vurgu-turuncu); padding-left: 1rem; white-space: nowrap; }

/* === E-KATALOG SAYFASI === */
.catalog-gallery-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem;
    max-width: 800px; margin-left: auto; margin-right: auto;
}
.catalog-item {
    text-decoration: none; border: 1px solid var(--kenarlik-gri);
    border-radius: 8px; overflow: hidden; background: var(--beyaz);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0; transform: translateY(30px);
}
.catalog-item:hover { transform: translateY(-5px) scale(1.03); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.catalog-image {
    width: 100%; aspect-ratio: 3 / 4; overflow: hidden;
    background-color: #f9f9f9; border-bottom: 1px solid var(--kenarlik-gri);
}
.catalog-image img { width: 100%; height: 100%; object-fit: contain; }
.catalog-content { padding: 1.25rem 1.5rem; }
.catalog-content h4 { color: var(--ana-mavi-koyu); font-size: 1.25rem; margin-bottom: 0.5rem; }
.catalog-pages { font-size: 0.9rem; font-weight: 600; color: var(--orta-gri); margin-bottom: 1rem; }
.catalog-action {
    display: inline-block; background-color: var(--vurgu-turuncu); color: var(--beyaz);
    padding: 0.5rem 1rem; border-radius: 20px; font-size: 0.8rem; font-weight: 700;
    text-transform: uppercase; transition: all 0.3s ease;
}
.catalog-item:hover .catalog-action { background-color: #d95a0a; }


/* === İLETİŞİM SAYFASI KARTLARI (Düzeltme) === */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 3rem; }
.contact-card {
    background: var(--beyaz); border: 1px solid var(--kenarlik-gri);
    border-top: 5px solid var(--ana-mavi); padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-top-color 0.3s ease;
    opacity: 0; transform: translateY(30px); border-radius: 8px; 
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.contact-card:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); border-top-color: var(--vurgu-turuncu); }

/* İkonlu Başlıklar */
.contact-card h3 {
    font-size: 1.5rem; color: var(--ana-mavi-koyu); margin-bottom: 1.5rem;
    position: relative; padding-left: 2.8rem; border-bottom: none; 
    display: flex; align-items: center; min-height: 32px;
}
/* İkonları :before ile ekleme (Emoji kullanarak) */
.contact-card h3::before {
    content: ''; font-family: 'Poppins', sans-serif; position: absolute;
    left: 0; top: 50%; transform: translateY(-50%); font-size: 1.8rem;
    color: var(--vurgu-turuncu); font-weight: 700; line-height: 1;
}
h3.icon-phone::before   { content: '\1F4DE'; }
h3.icon-request::before { content: '\1F4DD'; }
h3.icon-hr::before      { content: '\1F46A'; }
h3.icon-finance::before { content: '\1F4B0'; }

.contact-card .contact-list { list-style: none; padding-left: 0; margin: 0; }
.contact-card .contact-list li { margin-bottom: 1rem; font-size: 1rem; line-height: 1.5; }
.contact-card .contact-list strong {
    display: block; color: var(--ana-mavi-koyu); font-size: 0.9rem; font-weight: 600; margin-bottom: 0.25rem;
}
.contact-card .contact-list a { color: var(--orta-gri); font-weight: 500; word-break: break-all; }
.contact-card .contact-list a:hover { color: var(--vurgu-turuncu); }

/* İletişim sayfası haritası */
.map-section { margin-top: 2rem; }
.map-container {
    width: 100%; height: 500px; border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); border: 1px solid var(--kenarlik-gri); overflow: hidden;
}
.map-container iframe { width: 100%; height: 100%; border: 0; }


/* === YENİ: PROJELER SAYFASI (Modern UI v2) === */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 2rem; }
.project-card {
    text-decoration: none; border-radius: 12px; overflow: hidden;
    background-color: var(--koyu-gri); box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    opacity: 0; transform: translateY(30px);
    display: flex; flex-direction: column; justify-content: flex-end; position: relative;
    aspect-ratio: 16 / 10; background-size: cover; background-position: center center;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}
.project-card:hover { transform: scale(1.05); box-shadow: 0 15px 35px rgba(0,0,0,0.2); }
.project-card-overlay {
    position: absolute; bottom: 0; left: 0; right: 0; height: 80%;
    background: linear-gradient(to top, rgba(0, 30, 50, 0.95) 20%, rgba(0, 30, 50, 0) 100%);
    transition: background 0.4s ease; z-index: 1;
}
.project-card:hover .project-card-overlay { background: linear-gradient(to top, rgba(0, 54, 90, 1) 30%, rgba(0, 54, 90, 0.1) 100%); }
.project-content {
    padding: 1.5rem; position: relative; z-index: 2; overflow: visible;
    transform: translateY(10px); transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.project-card:hover .project-content { transform: translateY(0); }
.project-content h3 {
    color: var(--beyaz); font-size: 1.5rem; font-weight: 700;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5); margin-bottom: 0.5rem;
    padding-bottom: 0.5rem; position: relative; border-bottom: none;
}
.project-content h3::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0px; height: 3px;
    background-color: var(--vurgu-turuncu); transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}
.project-card:hover .project-content h3::after { width: 50px; }
.project-action {
    color: var(--vurgu-turuncu); font-weight: 700; font-size: 1rem;
    text-transform: uppercase; letter-spacing: 0.5px; margin-top: 0.5rem;
    opacity: 0; transform: translateY(10px); transition: opacity 0.4s ease, transform 0.4s ease;
    transition-delay: 0.1s;
}
.project-card:hover .project-action { opacity: 1; transform: translateY(0); }

/* YENİ: ARAMA KUTUSU STİLLERİ */
.search-container { margin-bottom: 2.5rem; }
.search-input {
    width: 100%; padding: 1rem 1.5rem; font-size: 1.1rem;
    font-family: 'Poppins', sans-serif; border-radius: 50px; border: 2px solid var(--kenarlik-gri);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05); transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.search-input:focus { outline: none; border-color: var(--ana-mavi); box-shadow: 0 5px 15px rgba(0,74,124,0.1); }
.no-results {
    text-align: center; padding: 2rem; font-size: 1.2rem;
    font-weight: 600; color: var(--orta-gri); background-color: var(--acik-gri); border-radius: 8px;
}


/* === YENİ: PROJE DETAY SAYFASI (MODERN) === */
.project-hero {
    position: relative; height: 50vh; min-height: 400px; max-height: 600px;
    background-size: cover; background-position: center center;
    display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--beyaz);
}
.project-hero .hero-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(0deg, rgba(0, 54, 90, 0.7) 0%, rgba(0, 74, 124, 0.5) 100%); z-index: 1;
}
.project-hero .hero-content { position: relative; z-index: 2; padding-bottom: 2rem; }
.project-hero-title {
    font-size: 3rem; font-weight: 800; text-transform: uppercase; letter-spacing: 1px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5); margin-bottom: 1rem; color: var(--beyaz); border-bottom: none;
}
.project-hero-description {
    font-size: 1.3rem; font-weight: 300; max-width: 800px; margin: 0 auto;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.7); line-height: 1.6;
}
.page-project-detail .container { max-width: 1100px; }
.project-stats-section { margin-top: -80px; position: relative; z-index: 3; margin-bottom: 3rem; }
.project-stats-section .stat-item { background: var(--beyaz); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

.project-content-grid { margin-bottom: 3rem; }
.project-content-text h2 {
    font-size: 1.8rem; color: var(--ana-mavi); margin-top: 1.5rem; margin-bottom: 1rem; border-bottom: none;
}
.project-content-text h2:first-child { margin-top: 0; }
.project-content-text p { font-size: 1.05rem; line-height: 1.7; margin-bottom: 1.5rem; }
.project-separator { border: 0; height: 1px; background-color: var(--kenarlik-gri); margin: 2rem 0; }

.project-gallery-section { margin-top: 4rem; padding-top: 4rem; border-top: 1px solid var(--kenarlik-gri); }
.project-gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.gallery-item {
    display: block; border-radius: 8px; overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--kenarlik-gri); opacity: 0; transform: translateY(30px); cursor: pointer;
}
.gallery-item img { width: 100%; height: 240px; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 10px 20px rgba(0,0,0,0.15); }
.gallery-item:hover img { transform: scale(1.05); }

/* YENİ: PROJE DETAY NAVİGASYON STİLLERİ */
.project-navigation {
    display: flex; justify-content: space-between; gap: 2rem;
    margin-top: 3rem; padding-top: 3rem; border-top: 1px solid var(--kenarlik-gri);
}
.nav-button {
    flex: 1; padding: 1.5rem; border: 1px solid var(--kenarlik-gri);
    border-radius: 8px; text-decoration: none; transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.nav-button:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); border-color: var(--ana-mavi); }
.nav-button.prev { text-align: left; }
.nav-button.next { text-align: right; }
.nav-button span {
    font-size: 0.9rem; font-weight: 600; color: var(--vurgu-turuncu); text-transform: uppercase; letter-spacing: 0.5px;
}
.nav-button h3 { font-size: 1.2rem; color: var(--ana-mavi-koyu); margin-top: 0.5rem; margin-bottom: 0; }
.nav-button.disabled { background-color: var(--acik-gri); opacity: 0.5; box-shadow: none; border-color: transparent; }


/* === YENİ JS LIGHTBOX STİLLERİ === */
.lightbox-modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 20, 35, 0.9); z-index: 1000; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s ease-out;
}
.lightbox-modal.is-visible { display: flex; opacity: 1; }
.lightbox-modal-content {
    position: relative; width: 90%; height: 90%; display: flex; align-items: center; justify-content: center;
}
.lightbox-modal-content img {
    max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3); transform: scale(0.95); opacity: 0;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}
.lightbox-modal.is-visible .lightbox-modal-content img { transform: scale(1); opacity: 1; }
.lightbox-close-btn {
    position: absolute; top: 15px; right: 25px; font-size: 3rem; font-weight: 300;
    color: var(--beyaz); text-decoration: none; transition: color 0.3s ease; cursor: pointer; z-index: 1002;
}
.lightbox-close-btn:hover { color: var(--vurgu-turuncu); }
.lightbox-nav button {
    position: absolute; top: 50%; transform: translateY(-50%); z-index: 1001;
    background: rgba(0, 74, 124, 0.6); color: var(--beyaz); border: none;
    font-size: 2rem; font-weight: 300; padding: 0.5rem 1.25rem; border-radius: 4px;
    cursor: pointer; transition: background-color 0.3s ease;
}
.lightbox-nav button:hover { background-color: var(--vurgu-turuncu); }
.lightbox-prev-btn { left: 20px; }
.lightbox-next-btn { right: 20px; }

/* === PROJE DETAY SAYFASI İÇERİK ANİMASYONLARI (Düzeltildi) === */
.project-content-grid.stagger-children .fade-in-item {
    opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.project-content-grid.stagger-children.is-visible .fade-in-item { opacity: 1; transform: translateY(0); }
.project-content-grid.is-visible .fade-in-item:nth-child(1) { transition-delay: 0.1s; }
.project-content-grid.is-visible .fade-in-item:nth-child(2) { transition-delay: 0.2s; }
.project-content-grid.is-visible .fade-in-item:nth-child(3) { transition-delay: 0.3s; }
.project-content-grid.is-visible .fade-in-item:nth-child(4) { transition-delay: 0.4s; }
.project-content-grid.is-visible .fade-in-item:nth-child(5) { transition-delay: 0.5s; }
.project-content-grid.is-visible .fade-in-item:nth-child(6) { transition-delay: 0.6s; }
.project-content-grid.is-visible .fade-in-item:nth-child(7) { transition-delay: 0.7s; }


/* === MOBİL UYUMLULUK (Responsive) === */
@media (max-width: 992px) {
    /* MENÜ YAPISI */
    .menu-toggle { display: block; z-index: 1001; position: relative; }
    
    .main-navigation ul {
        display: flex; flex-direction: column; 
        position: fixed; top: 0; right: -100%; /* Başlangıçta gizli (sağda) */
        width: 80%; height: 100vh;
        background-color: rgba(255, 255, 255, 0.95); /* Buzlu cam efekti için */
        backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        padding: 80px 20px 40px;
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 999; overflow-y: auto;
    }
    
    .main-navigation ul.active { right: 0; /* Menüyü aç */ }
    
    .main-navigation li { margin: 0; width: 100%; border-bottom: 1px solid #eee; position: static; }
    .main-navigation a { 
        display: block; padding: 15px 0; border-bottom: 1px solid #f0f0f0; 
        color: #333; font-size: 1.1rem; 
    }
    .main-navigation a::after { display: none; }
    .main-navigation a:hover, .main-navigation li.active a {
        border-bottom-color: #f0f0f0; background-color: transparent; color: var(--vurgu-turuncu); padding-left: 10px;
    }
    
    .has-dropdown .dropdown-menu {
        position: static; box-shadow: none; border-radius: 0; min-width: 100%;
        padding: 0; margin: 0; opacity: 1; visibility: visible; transform: none;
        display: none; /* JS ile açılacak */
        background-color: #f9f9f9; 
    }
    .has-dropdown.open .dropdown-menu { display: block; }
    .mobile-arrow { float: right; transition: transform 0.3s; }
    .has-dropdown.open .mobile-arrow { transform: rotate(180deg); }
    
    /* GÖRÜNÜRLÜK DÜZELTMELERİ */
    /* Mobilde scroll animasyonları çalışmadığında içeriğin görünmesi için */
    .fade-in-section,
    .stagger-children .project-card,
    .stagger-children .service-box,
    .project-card, .why-card, .info-block {
        opacity: 1 !important; transform: none !important; transition: none !important; visibility: visible !important;
    }
    
    /* DİĞER MOBİL AYARLAR */
    h1 { font-size: 2rem; }
    .hero-slider { height: 500px; }
    .slide-content { left: 5%; right: 5%; width: auto; top: 50%; transform: translateY(-50%); text-align: center; padding: 0; }
    .slide-content h2 { font-size: 2rem; } 
    .slide-content p { font-size: 1.1rem; }
    
    .stats-grid, .info-grid, .about-feature-grid, .about-feature-grid.reverse,
    .why-choose-grid, .certificate-gallery, .job-portals-grid, .machine-park-grid,
    .catalog-gallery-grid, .contact-grid, .projects-grid, .project-gallery-grid {
        grid-template-columns: 1fr !important; gap: 1.5rem;
    }

    .about-feature-grid.reverse .about-feature-image { order: 1; }
    .about-feature-grid.reverse .about-feature-text { order: 2; }
    .cert-item .cert-image, .catalog-image { aspect-ratio: 1 / 1; }
    
    .map-container { min-height: 350px; }
    .project-hero-title { font-size: 2rem; }
    .project-hero-description { font-size: 1.1rem; }
    .project-stats-section { margin-top: -40px; }
    .project-content-grid { padding: 0; margin-bottom: 1rem; }
    .about-text-fullwidth { padding: 0; }
    .project-navigation { flex-direction: column; gap: 1rem; }
    .lightbox-nav button { font-size: 1.5rem; padding: 0.25rem 0.75rem; }
    .lightbox-prev-btn { left: 10px; }
    .lightbox-next-btn { right: 10px; }
    
    /* ZigZag Grid Düzeltmesi */
    .zigzag-grid { grid-template-columns: 1fr !important; gap: 20px !important; }
}

#turkey-map path { cursor: pointer; }
#turkey-map path:hover { fill: #F37021; transition: 0.3s; }

/* === ÇELİK GİRİŞ ANİMASYONU (YENİ EKLENDİ) === */
#steel-intro-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 99999; display: flex;
    background: transparent;
    pointer-events: auto; /* Fare etkileşimi için */
    overflow: hidden;
}

.steel-gate {
    width: 50%; height: 100%; position: relative;
    background-color: #2c3e50; /* Koyu Metal Rengi */
    /* Çapraz Çelik Dokusu */
    background-image: 
        repeating-linear-gradient(45deg, transparent 0, transparent 20px, #1a252f 20px, #1a252f 40px),
        repeating-linear-gradient(-45deg, transparent 0, transparent 20px, #1a252f 20px, #1a252f 40px);
    box-shadow: inset 0 0 80px rgba(0,0,0,0.9);
    border-bottom: 5px solid #000;
    transition: transform 1.2s cubic-bezier(0.19, 1, 0.22, 1); /* Mekanik açılma hissi */
}

/* Çelik Kiriş Görünümü (X Yapısı) */
.steel-gate::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: 
        linear-gradient(45deg, transparent 48%, #546e7a 48%, #78909c 50%, #546e7a 52%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, #546e7a 48%, #78909c 50%, #546e7a 52%, transparent 52%);
    background-size: 300px 300px;
    opacity: 0.4;
    box-shadow: 10px 0 20px rgba(0,0,0,0.5);
}

.steel-gate.left { border-right: 3px solid #111; }
.steel-gate.right { border-left: 3px solid #111; }

/* Ortadaki İpucu İkonu */
.steel-hint {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    text-align: center; color: #F37021; z-index: 10;
    transition: opacity 0.5s ease;
    text-shadow: 0 0 15px rgba(0,0,0,1);
}
.steel-hint i { font-size: 3rem; margin-bottom: 10px; animation: pulse 1.5s infinite; }
.steel-hint span { display: block; font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; }

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 0.8; }
}

/* AÇILMA SINIFLARI */
/* .open sınıfı varken kapılar açık (ekran dışı) */
#steel-intro-overlay.open .steel-gate.left { transform: translateX(-100%); }
#steel-intro-overlay.open .steel-gate.right { transform: translateX(100%); }
#steel-intro-overlay.open .steel-hint { opacity: 0; }
#steel-intro-overlay.open { pointer-events: none; }
/* === SLIDER RESİM İSMİ ETİKETİ (SAĞ ALT KÖŞE) === */
.slide-filename-badge {
    position: absolute;
    bottom: 50px; /* Alttan boşluk */
    right: 50px;  /* Sağdan boşluk */
    z-index: 20;  /* Yazıların üstünde dursun */
    
    background-color: rgba(0, 0, 0, 0.7); /* Arkası yarı saydam siyah */
    color: var(--beyaz); /* Yazı rengi beyaz */
    
    padding: 12px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase; /* Harfleri büyüt */
    letter-spacing: 1px;
    
    /* Soluna turuncu şerit (Marka renginiz) */
    border-left: 5px solid var(--vurgu-turuncu); 
    border-radius: 4px; /* Hafif yuvarlatılmış köşeler */
    
    /* Animasyon Başlangıcı (Görünmez) */
    opacity: 0;
    transform: translateX(30px); /* Sağdan sola kayarak gelsin */
    transition: opacity 0.8s ease, transform 0.8s ease;
    pointer-events: none; /* Tıklamayı engellemesin */
}

/* Sadece aktif olan slide'da etiketi göster */
.slide.active .slide-filename-badge {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s; /* Resim geldikten yarım saniye sonra gelsin */
}

/* Mobilde çok yer kaplamaması için ayar */
@media (max-width: 768px) {
    .slide-filename-badge {
        bottom: 20px;
        right: 20px;
        font-size: 0.9rem;
        padding: 8px 15px;
    }
}